Erysiphe buhrii Braun, 1978

Fungi, Ascomycota, Leotiomycetes, Erysiphales, Erysiphaceae

op Caryophyllaceae

on Caryophyllaceae

Silene dioica, België, prov. Antwerpen, Griesbroek-Balen © Carina Van Steenwinkel: conidiofoor

Erysiphe buhrii on Silene dioica: conidiophore

Silene dioica, Belgium, prov. Antwerp, Griesbroek-Balen © Carina Van Steenwinkel: conidiophore

appressoria

Erysiphe buhrii on Silene dioica: appressoria

appressoria

conidia

Erysiphe buhrii on Silene dioica: conidia

conidia

kiemend conidiun

Erysiphe buhrii on Silene dioica: germinating conidium

germinating conidium

gal: mycelium, beiderzijdig, ook op de stengels. Appressoria gelobd, enkel of gepaard. Conidia solitair, lang-elliptisch, zonder fibrosine-lichaampjes. Cleistothecia met 4-10 asci, die 3-5 sporen bevatten. Aanhangels tot 30, sub-equatoriaal, de meeste korter dan de diameter; ze zijn mycelioid, gesepteerd, vrij sterk vertakt, soms zelfs coralloid.

gall: mycelium amphigenous, also on the stems. Appressoria lobed, single or paired. Conidia solitary, oblong-elliptic, without fibrosin bodies. Cleistothecia with 4-10 asci, that contain 3-5 spores. Appendages up to 30, sub-equatorial, mostly shorter than the diameter; they are mycelioid, septate, rather strongly branched, sometimes even coralloid.

waardplanten: Caryophyllaceae, oligofaag

hostplants: Caryophyllaceae, oligophagous

Acanthophyllum; Arenaria; Cerastium arvense, tomentosum; Dianthus armeria, barbatus, capitatus, carylophyllus, chinensis, giganteus, marschallii, membranaceus, petraeus; Gypsophila acutifolia, altissima, elegans, fastigiata, glomerata, muralis, paniculata, scorzonerifolia; Minuartia adenotricha, setacea; Myosoton aquaticum; Saponaria ocymoides, officinalis; Silene alba, baccifera, behen, chalcedonica, coronaria, densiflora, dioica, flos-jovis, gallica, x hampena, heuffelii, latifolia, legionensis, multifida, noctiflora, nutans, otites, radicosa, scabriflora, supina, vulgaris; Stellaria.

literatuur:

references:

Braun (1995a), Braun & Cook (2012a), Czerniawska (2001a), Dynowska, Fiedorowicz & Kubiak (1999a), Klenke & Scholler (1995a), Negrean (1996a), Ruszkiewicz-Michalska (2006a), Scholler, Reinhard & Schubert (1996a).

27/01/2017